2431541021 has 8 divisors (see below), whose sum is σ = 2992665984. Its totient is φ = 1923856560.

The previous prime is 2431541009. The next prime is 2431541023. The reversal of 2431541021 is 1201451342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2431541021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431541023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13360025 + ... + 13360206.

It is an arithmetic number, because the mean of its divisors is an integer number (374083248).

Almost surely, 2^2431541021 is an apocalyptic number.

It is an amenable number.

2431541021 is a deficient number, since it is larger than the sum of its proper divisors (561124963).

2431541021 is a wasteful number, since it uses less digits than its factorization.

2431541021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26720251.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2431541021 is about 49310.6582900695. The cubic root of 2431541021 is about 1344.7055589261.

Adding to 2431541021 its reverse (1201451342), we get a palindrome (3632992363).

The spelling of 2431541021 in words is "two billion, four hundred thirty-one million, five hundred forty-one thousand, twenty-one".